How can I increase the frequency of Wi-Fi signal scanner?

Since Android 9, the frequency of scanning is throttled to twice per minute by the operating system to preserve battery power. This means that the Wi-Fi Signal tool in Network Analyzer is restricted to performing its scans in about 30s intervals.

However, there is a workaround that enables more frequent scan.

  1. First, you have to enable the Developer Options menu in Android - see for instance this article: https://developer.android.com/studio/debug/dev-options
  2. Inside the new Developer Options settings page, look for the item named "Wi-Fi scan throttling" and disable it.
  3. In Network Analyzer Pro 3.8 and higher, there is a new settings option named "Increase Wi-Fi scan frequency" you can now enable to get roughtly 5s interval between scans. (Note that if you skip steps 1 and 2, only enabling this option will not work.)

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